Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.

Landed:

1973 Aug 7, 04:36

HF Transmit:

19.150 MHz, Morse Code

Cosmos 579 (Zenit-4M 11Ф691, Rotor) 1973-055A 6789

1973 Aug 21, 12:30 UTC

Plesetsk Cosmodrome

Voskhod 11A57

1973 Aug 22: 205 x 293 km, 65.5 deg, 89.5 min

1973 Aug 24: 169 x 288 km, 65.5 deg, 89.1 min

1973 Aug 24: 175 x 313 km, 65.5 deg, 89.4 min

1973 Aug 28: 173 x 306 km, 65.5 deg, 89.3 min

1973 Aug 30: 172 x 275 km, 65.5 deg, 89.0 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. First Zenit-4M to be detected at the secondary transmission frequency - 19.300 MHz. The cameras and film were recovered from orbit.

Landed:

1973 Sep 3, 04:48

Recovery beacon:

TK?

HF Transmit:

19.150 MHz, Morse Code19.300 MHz (changed 1973 Aug 23?)

Cosmos 581 (Zenit-4M 11Ф691, Rotor) 1973-059A 6798

1973 Aug 24, 10:59 UTC

Baikonur Cosmodrome

Voskhod 11A57

1973 Aug 25: 208 x 289 km, 51.7 deg, 89.5 min

1973 Aug 25: 175 x 286 km, 51.7 deg, 89.1 min

1973 Aug 31: 170 x 272 km, 51.7 deg, 88.9 min

1973 Sep 04: 176 x 272 km, 51.7 deg, 89.0 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.

Landed:

1973 Sep 6, 07:33

Recovery beacon:

TK

HF Transmit:

19.150 MHz, Morse Code

Cosmos 584 (Zenit-4M 11Ф691, Rotor) 1973-063A 6818

1973 Sep 6, 10:40 UTC

Plesetsk Cosmodrome

Voskhod 11A57

1973 Sep 06: 204 x 337 km, 72.9 deg, 90.0 min

1973 Sep 09: 205 x 334 km, 72.9 deg, 90.0 min

1973 Sep 10: 205 x 263 km, 72.9 deg, 89.3 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.

Landed:

1973 Sep 20, 04:40

Recovery beacon:

TK

HF Transmit:

19.150 MHz, Morse Code

Cosmos 598 (Zenit-4M 11Ф691, Rotor) 1973-072A 6862

1973 Oct 10, 10:45 UTC

Plesetsk Cosmodrome

Voskhod 11A57

1973 Oct 10: 207 x 334 km, 72.9 deg, 90.0 min

1973 Oct 13: 208 x 242 km, 72.9 deg, 89.1 min

1973 Oct 14: 203 x 246 km, 72.9 deg, 89.1 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.

Landed:

1973 Oct 16, 07:12

HF Transmit:

19.150 MHz, Morse Code

Cosmos 600 (Zenit-4M 11Ф691, Rotor) 1973-074A 6873

1973 Oct 16, 12:00 UTC

Plesetsk Cosmodrome

Voskhod 11A57

1973 Oct 17: 204 x 339 km, 72.9 deg, 90.0 min

1973 Oct 19: 199 x 235 km, 72.9 deg, 88.9 min

1973 Oct 20: 201 x 250 km, 72.9 deg, 89.1 min

1973 Oct 21: 202 x 283 km, 72.9 deg, 89.4 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.

Landed:

1973 Oct 23, 07:12

HF Transmit:

19.150 MHz, Morse Code

Cosmos 603 (Zenit-4M 11Ф691, Rotor) 1973-079A 6900

1973 Oct 27, 11:09 UTC

Plesetsk Cosmodrome

Voskhod 11A57

1973 Oct 28: 200 x 359 km, 72.9 deg, 90.2 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.

Landed:

1973 Nov 9, 07:12

HF Transmit:

19.150 MHz, Morse Code

Cosmos 609 (Zenit-4M 11Ф691, Rotor) 1973-092A 6943

1973 Nov 21, 10:00 UTC

Baikonur Cosmodrome

Voskhod 11A57

1973 Nov 23: 174 x 339 km, 70.0 deg, 89.7 min

1973 Nov 27: 173 x 330 km, 70.0 deg, 89.6 min

1973 Nov 29: 173 x 291 km, 70.0 deg, 89.2 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.

Landed:

1973 Dec 4, 07:24

Recovery beacon:

TK

HF Transmit:

19.150 MHz, Morse Code

Cosmos 632 (Zenit-4M 11Ф691, Rotor) 1974-006A 7117

1974 Feb 12, 08:56 UTC

Baikonur Cosmodrome

Voskhod 11A57

1974 Feb 13: 176 x 306 km, 65.0 deg, 89.4 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.

Landed:

1974 Feb 26, 07:12

HF Transmit:

19.150 MHz, Morse Code

Cosmos 667 (Zenit-4M 11Ф691, Rotor) 1974-057A 7383

1974 Jul 25, 07:00 UTC

Baikonur Cosmodrome

Voskhod 11A57

1974 Jul 25: 176 x 321 km, 65.0 deg, 89.5 min

Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine. The cameras and film were recovered from orbit.